1/*
2 * Copyright (c) 2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include <hdf_base.h>
17#include <hdf_device_desc.h>
18#include <hdf_log.h>
19#include <hdf_sbuf_ipc.h>
20#include "v1_0/hci_interface_stub.h"
21
22using namespace OHOS::HDI::Bluetooth::Hci::V1_0;
23
24#ifdef LOG_DOMAIN
25#undef LOG_DOMAIN
26#endif
27#define LOG_DOMAIN 0xD000105
28
29struct HdfHciInterfaceHost {
30    struct IDeviceIoService ioService;
31    OHOS::sptr<OHOS::IRemoteObject> stub;
32    HdfHciInterfaceHost()
33    {
34        ioService.object.objectId = 0;
35        ioService.Open = nullptr;
36        ioService.Release = nullptr;
37        ioService.Dispatch = nullptr;
38    }
39};
40
41static int32_t HciInterfaceDriverDispatch(struct HdfDeviceIoClient *client, int cmdId, struct HdfSBuf *data,
42    struct HdfSBuf *reply)
43{
44    auto *hdfHciInterfaceHost = CONTAINER_OF(client->device->service, struct HdfHciInterfaceHost, ioService);
45
46    OHOS::MessageParcel *dataParcel = nullptr;
47    OHOS::MessageParcel *replyParcel = nullptr;
48    OHOS::MessageOption option;
49
50    if (SbufToParcel(data, &dataParcel) != HDF_SUCCESS) {
51        HDF_LOGE("%{public}s:invalid data sbuf object to dispatch", __func__);
52        return HDF_ERR_INVALID_PARAM;
53    }
54    if (SbufToParcel(reply, &replyParcel) != HDF_SUCCESS) {
55        HDF_LOGE("%{public}s:invalid reply sbuf object to dispatch", __func__);
56        return HDF_ERR_INVALID_PARAM;
57    }
58
59    return hdfHciInterfaceHost->stub->SendRequest(cmdId, *dataParcel, *replyParcel, option);
60}
61
62static int HdfHciInterfaceDriverInit(struct HdfDeviceObject *deviceObject)
63{
64    (void)deviceObject;
65    HDF_LOGI("HdfHciInterfaceDriverInit enter");
66    return HDF_SUCCESS;
67}
68
69static int HdfHciInterfaceDriverBind(struct HdfDeviceObject *deviceObject)
70{
71    HDF_LOGI("HdfHciInterfaceDriverBind enter");
72
73    auto *hdfHciInterfaceHost = new (std::nothrow) HdfHciInterfaceHost;
74    if (hdfHciInterfaceHost == nullptr) {
75        HDF_LOGE("%{public}s: failed to create create HdfHciInterfaceHost object", __func__);
76        return HDF_FAILURE;
77    }
78
79    hdfHciInterfaceHost->ioService.Dispatch = HciInterfaceDriverDispatch;
80    hdfHciInterfaceHost->ioService.Open = NULL;
81    hdfHciInterfaceHost->ioService.Release = NULL;
82
83    auto serviceImpl = IHciInterface::Get(true);
84    if (serviceImpl == nullptr) {
85        HDF_LOGE("%{public}s: failed to get of implement service", __func__);
86        delete hdfHciInterfaceHost;
87        return HDF_FAILURE;
88    }
89
90    hdfHciInterfaceHost->stub = OHOS::HDI::ObjectCollector::GetInstance().GetOrNewObject(serviceImpl,
91        IHciInterface::GetDescriptor());
92    if (hdfHciInterfaceHost->stub == nullptr) {
93        HDF_LOGE("%{public}s: failed to get stub object", __func__);
94        delete hdfHciInterfaceHost;
95        return HDF_FAILURE;
96    }
97
98    deviceObject->service = &hdfHciInterfaceHost->ioService;
99    return HDF_SUCCESS;
100}
101
102static void HdfHciInterfaceDriverRelease(struct HdfDeviceObject *deviceObject)
103{
104    HDF_LOGI("HdfHciInterfaceDriverRelease enter");
105    if (deviceObject->service == nullptr) {
106        HDF_LOGE("HdfHciInterfaceDriverRelease not initted");
107        return;
108    }
109
110    auto *hdfHciInterfaceHost = CONTAINER_OF(deviceObject->service, struct HdfHciInterfaceHost, ioService);
111    delete hdfHciInterfaceHost;
112}
113
114static struct HdfDriverEntry g_hciinterfaceDriverEntry = {
115    .moduleVersion = 1,
116    .moduleName = "bluetooth_hci",
117    .Bind = HdfHciInterfaceDriverBind,
118    .Init = HdfHciInterfaceDriverInit,
119    .Release = HdfHciInterfaceDriverRelease,
120};
121
122#ifndef __cplusplus
123extern "C" {
124#endif
125HDF_INIT(g_hciinterfaceDriverEntry);
126#ifndef __cplusplus
127}
128#endif
129